Effects of copper on the microstructure and properties of Mg-17Al-3Zn alloys

In order to find good candidate materials for degradable fracturing ball applications, the microstructure, mechanical behavior and corrosion properties of as‐cast Mg‐17Al‐3Zn‐xCu alloys were investigated using optical microscope, scanning electronic microscope equipped with energy dispersive spectro...

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Published inMaterials and corrosion Vol. 66; no. 10; pp. 1159 - 1168
Main Authors Chen, L., Wu, Z., Xiao, D.-H., Geng, Z.-W., Zhou, P.-F.
Format Journal Article
LanguageEnglish
Published Weinheim Blackwell Publishing Ltd 01.10.2015
Wiley Subscription Services, Inc
Subjects
Aluminum
Compression performances
Copper
Copper addition
CORROSION
Corrosion properties
Degradation
ELECTRONIC PRODUCTS
Electronics
Fracturing
MAGNESIUM ALLOYS (50 TO 99 MG)
Magnesium base alloys
Mg-Al-Zn alloys
Microstructure
MICROSTRUCTURES
Zinc
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Summary:In order to find good candidate materials for degradable fracturing ball applications, the microstructure, mechanical behavior and corrosion properties of as‐cast Mg‐17Al‐3Zn‐xCu alloys were investigated using optical microscope, scanning electronic microscope equipped with energy dispersive spectroscope, compression tests, electrochemical measurements, and immersion tests. The results show that Cu addition affects not only the amount but also the morphology and distribution of T‐phases. The distribution of Al also has a large dependence on Cu concentration. These modifications of the microstructures accordingly affect the mechanical and corrosion properties of the investigated alloys. Mg‐17Al‐3Zn‐5Cu alloy can be used as degradable fracturing ball.
Bibliography:istex:4FAAA622A5B8EBFF9039D6069CB34A17E7C5CC48
ArticleID:MACO201408090
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ObjectType-Article-1
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content type line 23
ISSN:0947-5117
1521-4176
DOI:10.1002/maco.201408090